package base;

public class Demo03 {
    public static void main(String[] args) {
        double   d1  = 7D ;
        double   d2  = 7.;
        double   d3  =  8.0;
        double   d4  =  8.D;
        double   d5  =  12.9867;
        System.out.println(d1);
        System.out.println(d2);
        System.out.println(d3);
        System.out.println(d4);
        System.out.println(d5);
    }
}